Image Files for DVD/BD

[DaveL]

I think I need some education - appreciate pointers/input.
I'm attempting to create image files for DVD's and/or BD's in Edius. I go through the process in Edius, but don't get expected image files.

I'm used to image files being .iso or .img etc. for DVD's & BD's.
I don't find these type of files when process is complete. Instead it's creating VOB's, TS etc. Image burn programs, like ImgBrn, don't recognize these types of files.

What am I missing in this process? Is there something I'm missing in Edius, or something I'm missing ImgBrn, or something else?

Thanks

[Jerry]

Edius doesn't create .iso files. Rather, it creates folders.
You can import these files in Imgburn to create your .iso.

[kpot]

I think I need some education - appreciate pointers/input. I'm attempting to create image files for DVD's and/or BD's in Edius. I go through the process in Edius, but don't get expected image files. I'm used to image files being .iso or .img etc. for DVD's & BD's.
I don't find these type of files when process is complete. Instead it's creating VOB's, TS etc. Image burn programs, like ImgBrn, don't recognize these types of files. What am I missing in this process? Is there something I'm missing in Edius, or something I'm missing ImgBrn, or something else?
Thanks

If you want to create iso-files with edius:
I bought the Software PhantomDrive. After installation you can use a "virtual-drive" (e.g. G:) in Edius. Edius then produces the usual folders and in addition an iso-file which could be used directly in ImgBrn or you could open PowerDVD (which opens DVDs and BDs).
Works fine since years on my PC.
I use it to investigate if the menus works as they should - and for I like iso-files more than the usual created folders ;-)
Regards kurt

[DaveL]

Thanks for the input/info. Very helpful.

Still learning: When I point ImgBurn to the folder, at what "level of folder" do I need to point it? I mean, the folder with the BDMV and BD_Temp files in it,
or the next BDMV folder with the BDMV & CERTIFICATE folders in it? Or somewhere else?

Help on how this works for understanding would be appreciated. Thanks

[DaveL]

Also, when I create BD folders and use ImgBurn to create iso image, when I then use ImgBurn to create the disc, ImgBurn will burn that iso to either a standard DVD or a BD. How can that work?

Can anyone explain that? This is a short movie, 5 minutes, so the iso is only 1.1Gig, which, of course, will fit on a DVD, but BD format and write speed is different, isn't it?

Doesn't the BD format info reside within the iso? I wouldn't think ImgBurn would write a BD image to anything but a BD disk because the DVD data rates are insufficient for BD, among other things, I thought.

Can anyone help me understand this?

[antonsvideo]

burning Blu-ray with Nero Burning Rom or Imgburn
http://www.videoproductions.com.au/html/nero10.html

burning DVD with Imgburn
http://www.videoproductions.com.au/html/imgburn.html

forget ISO, there is no need for an ISO for the purpose of burning anything created with EDIUS

[Andreas_Gumm]

forget ISO, there is no need for an ISO for the purpose of burning anything created with EDIUS

For one-time burning you may are right.
ISO is good to archive images or to send images out to clients by web transfer.

Regarding the idea to burn small BD-images on DVD, that is a bad idea!
DVD can deliver a limited bitrate only due to less data density compared to Blu-ray.
It would need more speed to read the same amount of data. This can be done using
a blue laser only. I'm not sure if DVD media got read by blue or red laser in Blu-ray drives.
So stay with Blu-ray media!

Andreas

[Adbear]

Actually the blue laser is more for density than for speed. There's no problems reading fast and accurate from a DVD.
On a Blu-ray player you have 2 lasers, one for Blu-ray and one for DVD

[Andreas_Gumm]

Actually the blue laser is more for density than for speed. There's no problems reading fast and accurate from a DVD.
On a Blu-ray player you have 2 lasers, one for Blu-ray and one for DVD

Density means read frequency of the laser which correlates with speed to compensate the limited density of a DVD media in BD-Players.
DVD is specified for a specific maximum bitrate which links to a minimum specified spin-up-speed for a drive to read out the maximum data rate.
In theory I would expect that specific Blu-ray players may read DVDs in DVD mode at specified read speed that matchs DVD-Video bitrate and may not maximum speed for Blu-rays.

Andreas

[Adbear]

People make Blu-rays on to DVD's all the time, they are called BD-5 and BD-9.

The speed of 1x DVD is 11Mb/s, so not really that much of an increase to get them to read at 6 speed to get the highest bitrate for Blu-ray, especially as it's rare to get a drive these days that won't read DVD's at at least 8 speed. Not all set-top players support BD-5 & 9, but a lot do.

Edius even supports making BD-9 discs

[Andreas_Gumm]

You forget that BD-5 and BD-9 is suggested to not exceed maximum bitrate of AVCHD spec.
It is not official specificied by BDA, so simply expect that specific players can't read these discs properly,
especially when maximum bitrate for Blu-ray is used.
I wouldn't face clients with potencially technical issues just to save a few cents by using the cheapest media. ;)
Staying with the spec. is always the best recommendation.
For private and personal use it's a different story.

Andreas

[DaveL]

Thank you all, great information. I'm still confused on the following question, can anyone inform me?

If I create a BD iso image with high bitrate & resolution, beyond what DVD (or specialty variants of DVD spec) supports, but a file size that will fit on a DVD, will a burning program, such as ImgBurn, allow that file to be burned to a DVD?

I would have thought a program would read the headers and "realize" that such an image could/should only be burned to a BD, but maybe not.

Thanks

[Andreas_Gumm]

If I create a BD iso image with high bitrate & resolution, beyond what DVD (or specialty variants of DVD spec) supports, but a file size that will fit on a DVD, will a burning program, such as ImgBurn, allow that file to be burned to a DVD?

Yes, ImgBurn will burn the iso!
Video-DVDs and -Blu-rays have no specific "header"!
Both media are simple data discs which following defined specifications.
A player expects a specific data structure stored on media using specific UDF versions.
This makes the difference!

Andreas